United States v. Lopez

E7030

United States v. Lopez is a 1995 U.S. Supreme Court case that marked the first time in decades the Court struck down a federal law for exceeding Congress’s power under the Commerce Clause, signaling a revival of limits on federal regulatory authority.

Jump to: Surface forms Statements Referenced by

Statements (50)

Predicate Object
instanceOf U.S. Supreme Court case
landmark case
appealedFrom United States Court of Appeals for the Fifth Circuit
areaOfLaw Commerce Clause jurisprudence
constitutional law
federalism
arguedDate 1994-11-08
chiefJusticeAtDecision William H. Rehnquist
citation 514 U.S. 549
concurringOpinionBy Anthony M. Kennedy
Clarence Thomas
constitutionalProvisionInterpreted Commerce Clause
Necessary and Proper Clause
Tenth Amendment to the United States Constitution
surface form: Tenth Amendment (federalism principles)
country United States of America
surface form: United States
court Supreme Court of the United States
decadeContext Rehnquist Court federalism revival
decisionDate 1995-04-26
definedCategoryOfCommercePower activities that substantially affect interstate commerce
channels of interstate commerce
instrumentalities of interstate commerce, or persons or things in interstate commerce
dissentingOpinionBy David H. Souter
John Paul Stevens
Ruth Bader Ginsburg
Stephen G. Breyer
fullName United States v. Lopez self-linksurface differs
surface form: United States v. Alfonso Lopez, Jr.
holding United States v. Lopez self-linksurface differs
surface form: The Gun-Free School Zones Act of 1990 exceeds Congress’s authority under the Commerce Clause
issue Whether Congress exceeded its Commerce Clause power by enacting the Gun-Free School Zones Act of 1990
joinedByInMajority Anthony M. Kennedy
Antonin Scalia
Clarence Thomas
Sandra Day O’Connor
jurisdiction federal
lawStruckDown Gun-Free School Zones Act of 1990, 18 U.S.C. § 922(q)
majorityOpinionBy William H. Rehnquist
originatingCourt United States District Court for the Western District of Texas
petitioner United States of America
surface form: United States
reasoningSummary Allowing regulation of non-economic activity like gun possession would convert the Commerce Clause into a general police power
Possession of a gun in a local school zone is not an economic activity that substantially affects interstate commerce
The statute contained no jurisdictional element tying the regulated activity to interstate commerce
reporter United States Reports
respondent Alfonso Lopez, Jr.
significance Clarified categories of activity Congress may regulate under the Commerce Clause
First time in decades the Supreme Court invalidated a federal statute as exceeding Congress’s Commerce Clause power
Marked a revival of judicially enforced limits on federal regulatory authority
subsequentCitationIn Gonzales v. Raich
United States v. Morrison
volume 514
vote 5–4
year 1995

Referenced by (15)

Full triples — surface form annotated when it differs from this entity's canonical label.

Alfonso Lopez, Jr. caseCitation United States v. Lopez
subject surface form: Alfonso Lopez Jr.
this entity surface form: United States v. Lopez, 514 U.S. 549 (1995)
subject surface form: Gun-Free School Zones Act of 1990
this entity surface form: United States v. Lopez, 514 U.S. 549 (1995)
United States v. Lopez fullName United States v. Lopez self-linksurface differs
this entity surface form: United States v. Alfonso Lopez, Jr.
subject surface form: Gun-Free School Zones Act of 1990
United States v. Lopez holding United States v. Lopez self-linksurface differs
this entity surface form: The Gun-Free School Zones Act of 1990 exceeds Congress’s authority under the Commerce Clause
Commerce Clause limitedByCase United States v. Lopez
Commerce Clause limitedByCase United States v. Lopez
this entity surface form: United States v. Morrison
substantial effects doctrine limitedByCase United States v. Lopez
subject surface form: Gun-Free School Zones Act of 1990
William H. Rehnquist notableCaseParticipation United States v. Lopez
Alfonso Lopez, Jr. partyTo United States v. Lopez
subject surface form: Alfonso Lopez Jr.
Gonzales v. Raich relatedCase United States v. Lopez
United States v. Morrison relatedTo United States v. Lopez